Furnace Gas Valve Works Intermittently

Check to see if that is happening.

Furnace gas valve works intermittently.

If it lighted and then went out it could just be a dirty flame sensor electrode bad ignition module or gas valve. That may be the only problem. It is possible you have a problem with the gas valve. You would need to take out the electrode and clean it off with an emery cloth or light sand paper.

If the main burner gas isn t turning on when the spark does i d use a multimeter to measure the voltage being applied to the gas valve. Goodman gas furnace intermittent gas valve problem. Rv furnace will not stay lit it works intermittently while not the most serious of problems it s absolutely one of the most annoying ones. It shuts down and won t maintain any heat.

A technician would monitor the gas pressure on both the incoming side and the manifold side to see if you were loosing. That would give you the intermittent issue. Getting less than 24 volts may 18 volts causing the valve to goodman gas furnace intermittent gas valve problem. My furnace finally stopped working.

When the spark turns on you should be getting 24 vac applied to the gas valve when the spark turns on.